A lot (and I mean, really a lot) depends on these constructors.
Therefore, this is the one spaghetti ball that I could extract and
convert all `can_gc` to `cx`. There are some new introductions of
`temp_cx` in the callbacks of the servo parser, but we already had some
in other callbacks.
Part of #40600
Testing: It compiles
Signed-off-by: Tim van der Lippe <tvanderlippe@gmail.com>
Follow the HTML specification and add the missing 'name' and 'areas' IDL
attributes to HTMLMapElement.
https://html.spec.whatwg.org/multipage/#htmlmapelement
Testing: Improvements in the following WPT tests
- custom-elements/reactions/customized-builtins/HTMLMapElement.html
- html/dom/idlharness.https.html
Signed-off-by: Andrei Volykhin <andrei.volykhin@gmail.com>
